@misc{indiciaecce0123f1c04,
  title = {Reconnaissance geologic map of the Canon City Quadrangle, Fremont County, Colorado},
  author = {G. R. Scott},
  year = {1977},
  doi = {10.3133/mf892},
  url = {https://pubs.usgs.gov/publication/mf892},
  note = {Source identifier: mf892}
}